Ty Dolla $ign celebrated his 30th birthday with a performance at the 2015 MTV Movie Awards in L.A. on Sunday. Following an introduction from Nat Wolff and Cara Delevingne, Charli XCX kicked off the performance with her new single “Famous” before joining Ty and Tinashe for their Stargate and Cashmere Cat-produced collaboration “Drop That Kitty.” Female dancers clad in pink kittie costumes strut across the stage while Tinashe and Charli dropped it like it’s hot.